Unknown Artist, ‘A tortoiseshell abstinence or zhaijie pendant’, China: Qianlong (1736-95), Rasti Chinese Art

For a similar abstinence pendant in white jade, see 'Jadeware (III): The Complete Collection of Treasures of the Palace Museum', p. 27, no. 21.

Luis Esteves Fernandes Collection (1897-1988)

About Unknown Artist